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Y, or y, is the twenty-fifth and penultimate letter of the Latin alphabet, used in the modern English alphabet, the alphabets of other western European languages and others worldwide. According to some authorities, it is the sixth (or seventh if including W) vowel letter of the English alphabet. In the English writing system, it mostly represents a vowel and seldom a consonant, and in other orthographies it may represent a vowel or a consonant. Its name in English is ''wye'' (pronounced ), plural ''wyes''.


Name

In Latin, Y was named ''I graeca'' ("Greek I"), since the classical Greek sound , similar to modern German ''ü'' or French ''u'', was not a native sound for Latin speakers, and the letter was initially only used to spell foreign words. This history has led to the standard modern names of the letter in Romance languages – ''i grego'' in Galician, ''i grega'' in Catalan, ''i grec'' in French and Romanian, ''i greca'' in Italian – all meaning "Greek I". The names ''igrek'' in Polish and ' in Vietnamese are both phonetic borrowings of the French name. In Dutch, the letter is either only found in loanwords, or is practically equivalent to the digraph IJ. Hence, both ''Griekse ij'' and ''i-grec'' are used, as well as ''ypsilon''. In Spanish, Y is also called ''i griega''; however, in the twentieth century, the shorter name ''ye'' was proposed and was officially recognized as its name in 2010 by the
Real Academia Española The Royal Spanish Academy ( es, Real Academia Española, generally abbreviated as RAE) is Spain's official royal institution with a mission to ensure the stability of the Spanish language. It is based in Madrid, Spain, and is affiliated with ...
, although its original name is still accepted. The original Greek name υ ψιλόν ('' upsilon'') has also been adapted into several modern languages. For example, it is called ''Ypsilon'' in German, ''ypsilon'' in Dutch, '' i'' in Icelandic. Both names are used in Italian, ''ipsilon'' or ''i greca''; likewise in Portuguese, ''ípsilon'' or ''i grego''. In Faroese, the letter is simply called ''seinna i'' ("later i") because of its later place in the alphabet.
Old English Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlement of Britain, Anglo ...
borrowed Latin Y to write the native Old English sound (previously written with the
rune Runes are the letter (alphabet), letters in a set of related alphabets known as runic alphabets native to the Germanic peoples. Runes were used to write various Germanic languages (with some exceptions) before they adopted the Latin alphabet, a ...
yr ). The name of the letter may be related to 'ui' (or 'vi') in various medieval languages; in Middle English it was 'wi' , which through the Great Vowel Shift became the Modern English 'wy' .


History

The oldest direct ancestor of English letter Y was the
Semitic Semitic most commonly refers to the Semitic languages, a name used since the 1770s to refer to the language family currently present in West Asia, North and East Africa, and Malta. Semitic may also refer to: Religions * Abrahamic religions ** ...
letter ''
waw Waw or WAW may refer to: * Waw (letter), a letter in many Semitic abjads * Waw, the velomobile * Another spelling for the town Wau, South Sudan * Waw Township, Burma *Warsaw Chopin Airport, an international airport serving Warsaw, Poland (IATA ai ...
'' (pronounced as ), from which also come F, U, V, and W. See F for details. The Greek and Latin alphabets developed from the Phoenician form of this early alphabet. Since Late Middle English, the letter Y came to be used in a number of words where earlier Middle English spelling contained the letter ''
yogh The letter yogh (ȝogh) ( ; Scots: ; Middle English: ) was used in Middle English and Older Scots, representing ''y'' () and various velar phonemes. It was derived from the Insular form of the letter ''g''. In Middle English writing, tailed z ...
'' (Ȝȝ), which developed from the letter G, ultimately from Semitic '' gimel'' – as described below (As a side note - Modern Greek lowercase
gamma Gamma (uppercase , lowercase ; ''gámma'') is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. In Ancient Greek, the letter gamma represented a voiced velar stop . In Modern Greek, this letter re ...
is somewhat similarly shaped to the lowercase letter ).


Vowel

The form of the modern letter Y is derived from the Greek letter '' upsilon''. It dates back to the Latin of the first century BC, when upsilon was introduced a second time, this time with its "foot" to distinguish it. It was used to transcribe loanwords from the prestigious
Attic An attic (sometimes referred to as a '' loft'') is a space found directly below the pitched roof of a house or other building; an attic may also be called a ''sky parlor'' or a garret. Because attics fill the space between the ceiling of the ...
dialect of Greek, which had the non-Latin vowel sound (as found in modern French ''cru'' (raw), or German ''grün'' (green)) in words that had been pronounced with in earlier Greek. Because was not a native sound of Latin, Latin speakers had trouble pronouncing it, and it was usually pronounced . Some Latin words of Italic origin also came to be spelled with 'y': Latin ''silva'' ('forest') was commonly spelled ''sylva'', in analogy with the Greek cognate and synonym ''ὕλη''. The letter Y was used to represent the sound in the writing systems of some other languages that adopted the Latin alphabet. In
Old English Old English (, ), or Anglo-Saxon, is the earliest recorded form of the English language, spoken in England and southern and eastern Scotland in the early Middle Ages. It was brought to Great Britain by Anglo-Saxon settlement of Britain, Anglo ...
and Old Norse, there was a native sound, and so Latin U, Y and I were all used to represent distinct vowel sounds. But, by the time of Middle English, had lost its
roundedness In phonetics, vowel roundedness is the amount of rounding in the lips during the articulation of a vowel. It is labialization of a vowel. When a ''rounded'' vowel is pronounced, the lips form a circular opening, and ''unrounded'' vowels are pron ...
and became identical to I ( and ). Therefore, many words that originally had I were spelled with Y, and vice versa. The distinction between and was also lost in later Icelandic and Faroese, making the distinction purely orthographic and historical, but not in the mainland Scandinavian languages, where the distinction is retained. It may be observed that a similar merger of into happened in Greek around the beginning of the 2nd millennium, making the distinction between iota (Ι, ι) and upsilon (Υ, υ) purely a matter of historical spelling there as well. In the West Slavic languages, Y was adapted as a sign for the close central unrounded vowel ; later, merged with in Czech and Slovak, whereas Polish retains it with the pronunciation . Similarly, in Middle Welsh, Y came to be used to designate the vowels and in a way predictable from the position of the vowel in the word. Since then, has merged with in Southern Welsh dialects, but is retained. In Modern English, Y can represent the same vowel sounds as the letter I. The use of the letter Y to represent a vowel is more restricted in Modern English than it was in Middle and early Modern English. It occurs mainly in the following three environments: for upsilon in Greek loan-words (''system'': Greek σύστημα), at the end of a word (''rye, city''; compare ''cities'', where S is final), and in place of I before the ending ''-ing'' (''dy-ing'', ''justify-ing'').


Consonant

As a consonant in English, Y normally represents a
palatal approximant The voiced palatal approximant, or yod, is a type of consonant used in many spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is . The equivalent X-SAMPA symbol is j, and in the Americanist phonetic no ...
, (''year'', ''yore''). In this usage, the letter Y has replaced the Middle English letter ''
yogh The letter yogh (ȝogh) ( ; Scots: ; Middle English: ) was used in Middle English and Older Scots, representing ''y'' () and various velar phonemes. It was derived from the Insular form of the letter ''g''. In Middle English writing, tailed z ...
'' (Ȝȝ), which could represent . (Yogh could also represent other sounds, such as , which came to be written '' gh'' in Middle English.)


Confusion in writing with the letter ''thorn''

When printing was introduced to Great Britain,
Caxton Caxton may refer to: Places * Caxton Street, Brisbane, Australia * Caxton, Cambridgeshire, a village in Cambridgeshire, UK ** Caxton Gibbet, a knoll near the village * Caxton Hall, a historic building in London, UK * Caxton Building, a historic ...
and other English printers used Y in place of Þ (
thorn Thorn(s) or The Thorn(s) may refer to: Botany * Thorns, spines, and prickles, sharp structures on plants * ''Crataegus monogyna'', or common hawthorn, a plant species Comics and literature * Rose and Thorn, the two personalities of two DC Com ...
: Modern English ''th''), which did not exist in continental typefaces. From this convention comes the spelling of ''the'' as ''ye'' in the mock archaism '' Ye Olde Shoppe''. But, in spite of the spelling, pronunciation was the same as for modern ''the'' (stressed , unstressed ). Pronouncing the article ''ye'' as ''yee'' () is purely a modern spelling pronunciation.


Pronunciation and use


English

As : * at the beginning of a word as in ''yes'' * at the beginning of a syllable before a vowel as in ''beyond, lawyer, canyon'' As : * under stress in an open syllable as in ''my'', ''type'', ''rye'', ''lying'', ''pyre'', ''tyre'', ''typhoon'' * in a stressed open syllable as in ''hyphen'', ''cycle'', ''cylon'' * in a pretonic open syllable as in ''hypothesis'', ''psychology'' * word-finally after a consonant, as in ''ally'', ''unify'' As : * without stress at the end of multi-syllable word, as in ''happy, baby, lucky, accuracy'' * used as a
diphthong A diphthong ( ; , ), also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable. Technically, a diphthong is a vowel with two different targets: that is, the tongue (and/or other parts of the speech o ...
in combination with ''e'' at the end of some words, as in ''money'', ''key'', ''valley'' As non-syllabic : * in
diphthong A diphthong ( ; , ), also known as a gliding vowel, is a combination of two adjacent vowel sounds within the same syllable. Technically, a diphthong is a vowel with two different targets: that is, the tongue (and/or other parts of the speech o ...
s at the end of words, as in ''play'', ''grey'', ''boy'' As : * in a closed syllable without stress and with stress as in ''myth'', ''system'', ''gymnastics'' * in a closed syllable under stress as in ''typical'', ''lyric'' * in an open syllable without stress as in ''physique'', ''pyjamas'' Other: * combining with as under stress (like in ''bird''), as in ''myrtle'', ''myrrh'' * as (
schwa In linguistics, specifically phonetics and phonology, schwa (, rarely or ; sometimes spelled shwa) is a vowel sound denoted by the IPA symbol , placed in the central position of the vowel chart. In English and some other languages, it rep ...
) in words like ''martyr'' In English morphology, ''-y'' is an adjectival suffix. Y is the ninth least frequently used letter in the English language (after P, B, V, K, J, X, Q, and Z), with a frequency of about 2% in words.


Other languages

represents the sounds or (sometimes long) in the Scandinavian languages. It can never be a consonant (except for loanwords). In Dutch and
German German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...
, appears only in loanwords and proper names. In Dutch, it usually represents . It may sometimes be left out of the Dutch alphabet and replaced with the digraph. In addition, and are occasionally used instead of Dutch and , albeit very rarely. In German orthography, the pronunciation has taken hold since the 19th century in classical loanwords – for instance in words like ''typisch'' 'typical', ''Hyäne, Hysterie, mysteriös, Syndrom, System, Typ''. It is also used for the sound in loanwords, such as ''Yacht (variation spelling: Jacht), Yak, Yeti''; however, e.g. yo-yo is spelled "''Jo-Jo''" in German, and yoghurt/yogurt/yoghourt "''Jog(h)urt''" ostly spelled with h. The letter is also used in many geographical names, e.g. ''Bayern'' Bavaria, ''Ägypten'' Egypt, ''Libyen'' Libya, ''Paraguay'', ''Syrien'' Syria, ''Uruguay'', ''Zypern'' Cyprus (but: ''Jemen'' Yemen, ''Jugoslawien'' Yugoslavia). Especially in German names, the pronunciations or occur as well – for instance in the name ''
Meyer Meyer may refer to: People *Meyer (surname), listing people so named * Meyer (name), a list of people and fictional characters with the name Companies * Meyer Burger, a Swiss mechanical engineering company * Meyer Corporation * Meyer Sound Labo ...
'', where it serves as a variant of , cf. '' Meier'', another common spelling of the name. In German the y is preserved in the plural form of some loanwords such as ''Babys'' babies and ''Partys'' parties, celebrations. A that derives from the ligature occurs in the Afrikaans language, a descendant of Dutch, and in
Alemannic German Alemannic, or rarely Alemannish (''Alemannisch'', ), is a group of High German dialects. The name derives from the ancient Germanic tribal confederation known as the Alamanni ("all men"). Distribution Alemannic dialects are spoken by approxim ...
names. In Afrikaans, it denotes the diphthong . In Alemannic German names, it denotes long , for instance in ''
Schnyder Schnyder () is used in Switzerland as an alternative form of the more common German surname Schneider (tailor). Immigrants to North America often spelled their name as Snyder. * Daniel Schnyder (born 1961), Swiss jazz musician and composer * Fabia ...
'' or '' Schwyz'' – the cognate non-Alemannic German names ''
Schneider Schneider may refer to: Hospital * Schneider Children's Medical Center of Israel People * Schneider (surname) Companies and organizations * G. Schneider & Sohn, a Bavarian brewery company * Schneider Rundfunkwerke AG, the former owner of th ...
'' or '' Schweiz'' have the diphthong that developed from long . In Hungarian orthography, y is only used in the digraphs "gy," "ly," "ny," "ty," in some surnames (e. g. ''Bátory''), and in foreign words. In Icelandic writing system, due to the loss of the Old Norse rounding of the vowel , the letters and are now pronounced identically to the letters and , namely as and respectively. The difference in spelling is thus purely etymological. In Faroese, too, the contrast has been lost, and is always pronounced , whereas the accented versions and designate the same diphthong (shortened to in some environments). In both languages, it can also form part of diphthongs such as (in both languages), pronounced , and , pronounced (Faroese only). In French orthography, is pronounced as when a vowel (as in the words ''cycle'', ''y'') and as as a consonant (as in ''yeux'', ''voyez''). It alternates orthographically with in the conjugations of some verbs, indicating a sound. In most cases when follows a vowel, it modifies the pronunciation of the vowel: , , . The letter has double function (modifying the vowel as well as being pronounced as or ) in the words ''payer'', ''balayer'', ''moyen'', ''essuyer'', ''pays'', etc., but in some words it has only a single function: in ''bayer'', ''mayonnaise'', ''coyote''; modifying the vowel at the end of proper names like ''Chardonnay'' and ''Fourcroy''. In French can have a diaeresis (''tréma'') as in
Moÿ-de-l'Aisne Moÿ-de-l'Aisne () is a commune in the Aisne department in Hauts-de-France in northern France. Demographics See also *Communes of the Aisne department The following is a list of the 799 Communes of France, communes in the French Departm ...
. In Spanish, was used as a word-initial form of that was more visible. (German has used in a similar way.) Hence, ''el yugo y las flechas'' was a symbol sharing the initials of Isabella I of Castille (''Ysabel'') and
Ferdinand II of Aragon Ferdinand II ( an, Ferrando; ca, Ferran; eu, Errando; it, Ferdinando; la, Ferdinandus; es, Fernando; 10 March 1452 – 23 January 1516), also called Ferdinand the Catholic (Spanish: ''el Católico''), was King of Aragon and Sardinia from ...
. This spelling was reformed by the
Royal Spanish Academy The Royal Spanish Academy ( es, Real Academia Española, generally abbreviated as RAE) is Spain's official royal institution with a mission to ensure the stability of the Spanish language. It is based in Madrid, Spain, and is affiliated with ...
and currently is only found in proper names spelled archaically, such as
Ybarra Ybarra is a surname of Basque origin, and may refer to: * Abigail Ybarra, Fender guitar pickup winder * Dustin Ybarra, American stand-up comedian and actor * Javier Ybarra Bergé, Basque industrialist, writer, and politician * Joe Ybarra, American ...
or
CYII Canal de Isabel II (CYII) is the only company that manages the water supplies for Madrid, Spain. It is owned by the Autonomous Community of Madrid. History The '' Y'' in the abbreviated form of the company's name is from the old spelling ''Ysabel' ...
, the symbol of the
Canal de Isabel II Canal de Isabel II (CYII) is the only company that manages the water supplies for Madrid, Spain. It is owned by the Autonomous Community of Madrid. History The '' Y'' in the abbreviated form of the company's name is from the old spelling ''Ysabel'' ...
. Appearing alone as a word, the letter is a grammatical conjunction with the meaning "
and or AND may refer to: Logic, grammar, and computing * Conjunction (grammar), connecting two words, phrases, or clauses * Logical conjunction in mathematical logic, notated as "∧", "⋅", "&", or simple juxtaposition * Bitwise AND, a boole ...
" in Spanish and is pronounced . As a consonant, represents in Spanish. The letter is called ''i/y griega'', literally meaning "Greek I", after the Greek letter ypsilon, or ''ye''. In Portuguese, (called ''ípsilon'' in Brazil, and either ''ípsilon'' or ''i grego'' in Portugal) was, together with and , recently reintroduced as the 25th letter, and 19th consonant, of the Portuguese alphabet, in consequence of the Portuguese Language Orthographic Agreement of 1990. It is mostly used in loanwords from English, Japanese and Spanish. Loanwords in general, primarily gallicisms in both varieties, are more common in Brazilian Portuguese than in European Portuguese. It was always common for Brazilians to stylize Tupi-influenced names of their children with the letter (which is present in most Romanizations of
Old Tupi Old Tupi, Ancient Tupi or Classical Tupi (also spelled as Tupí) is an extinct Tupian language which was spoken by the aboriginal Tupi people of Brazil, mostly those who inhabited coastal regions in South and Southeast Brazil. It belongs to the ...
) e.g. Guaracy, Jandyra, Mayara – though placenames and loanwords derived from indigenous origins had the letter substituted for over time e.g. Nictheroy became
Niterói Niterói (, ) is a Municipalities of Brazil, municipality of the state of Rio de Janeiro (state), Rio de Janeiro in the Southeast Region, Brazil, southeast region of Brazil. It lies across Guanabara Bay facing the city of Rio de Janeiro and forms ...
. Usual pronunciations are , , and (the two latter ones are inexistent in European and Brazilian Portuguese varieties respectively, being both substituted by in other dialects). The letters and are regarded as phonemically not dissimilar, though the first corresponds to a vowel and the latter to a consonant, and both can correspond to a semivowel depending on its place in a word. Italian, too, has (''ipsilon'') in a small number of loanwords. The letter is also common in some surnames native to the German-speaking province of Bolzano, such as Mayer or Mayr. In Guaraní, it represents the vowel . In
Polish Polish may refer to: * Anything from or related to Poland, a country in Europe * Polish language * Poles, people from Poland or of Polish descent * Polish chicken *Polish brothers (Mark Polish and Michael Polish, born 1970), American twin screenwr ...
, it represents the vowel (or, according to some descriptions, ), which is clearly different from , e.g. ''my'' (we) and ''mi'' (me). No native Polish word begins with ; very few foreign words keep at the beginning, e.g. ''yeti'' (pronounced ). In Czech and Slovak, the distinction between the vowels expressed by and , as well as by and has been lost (similarly to Icelandic and Faroese), but the consonants ''d, t, n'' (also ''l'' in Slovak) before orthographic (and historical) are not palatalized, whereas they are before . can never begin any word, while can never begin a native word. In
Welsh Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peop ...
, it is usually pronounced in non-final syllables and or (depending on the accent) in final syllables. In the
Standard Written Form The Standard Written Form or SWF ( kw, Furv Skrifys Savonek) of the Cornish language is an orthography standard that is designed to "provide public bodies and the educational system with a universally acceptable, inclusive, and neutral orthograph ...
of the
Cornish Language Cornish (Standard Written Form: or ) , is a Southwestern Brittonic language, Southwestern Brittonic language of the Celtic language family. It is a List of revived languages, revived language, having become Extinct language, extinct as a livin ...
, it represents the and of
Revived Middle Cornish Revive or Revived may refer to: * Revival, especially bringing back to life * Revive (video gaming), resurrecting a defeated character. Music * Revive (band), a Christian rock band * ''Revive'', classical album by Elīna Garanča 2016 * ''Revive ...
and the and of Revived Late Cornish. It can also represent Tudor and Revived Late Cornish and and consequently be replaced in writing with . It is also used in forming a number of diphthongs. As a consonant it represents . In
Danish Danish may refer to: * Something of, from, or related to the country of Denmark People * A national or citizen of Denmark, also called a "Dane," see Demographics of Denmark * Culture of Denmark * Danish people or Danes, people with a Danish ance ...
, Norwegian,
Swedish Swedish or ' may refer to: Anything from or related to Sweden, a country in Northern Europe. Or, specifically: * Swedish language, a North Germanic language spoken primarily in Sweden and Finland ** Swedish alphabet, the official alphabet used by ...
, Finnish, Karelian and
Albanian Albanian may refer to: *Pertaining to Albania in Southeast Europe; in particular: **Albanians, an ethnic group native to the Balkans **Albanian language **Albanian culture **Demographics of Albania, includes other ethnic groups within the country ...
, is always pronounced . In
Estonian Estonian may refer to: * Something of, from, or related to Estonia, a country in the Baltic region in northern Europe * Estonians, people from Estonia, or of Estonian descent * Estonian language * Estonian cuisine * Estonian culture See also

...
, is used in foreign proper names and is pronounced as in the source language. It is also unofficially used as a substitute for and is pronounced the same as in Finnish. In
Lithuanian Lithuanian may refer to: * Lithuanians * Lithuanian language * The country of Lithuania * Grand Duchy of Lithuania * Culture of Lithuania * Lithuanian cuisine * Lithuanian Jews as often called "Lithuanians" (''Lita'im'' or ''Litvaks'') by other Jew ...
, is the 15th letter (following and preceding in the alphabet) and is a vowel. It is called ''the long i'' and is pronounced , like in English ''see''. When used as a vowel in Vietnamese, the letter represents the sound ; when it is a monophthong, it is functionally equivalent to the Vietnamese letter . There have been efforts to replace all such uses with altogether, but they have been largely unsuccessful. As a consonant, it represents the
palatal approximant The voiced palatal approximant, or yod, is a type of consonant used in many spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is . The equivalent X-SAMPA symbol is j, and in the Americanist phonetic no ...
. The capital letter is also used in Vietnamese as a
given name A given name (also known as a forename or first name) is the part of a personal name quoted in that identifies a person, potentially with a middle name as well, and differentiates that person from the other members of a group (typically a fa ...
. In Aymara,
Indonesian Indonesian is anything of, from, or related to Indonesia, an archipelagic country in Southeast Asia. It may refer to: * Indonesians, citizens of Indonesia ** Native Indonesians, diverse groups of local inhabitants of the archipelago ** Indonesian ...
/ Malaysian,
Turkish Turkish may refer to: *a Turkic language spoken by the Turks * of or about Turkey ** Turkish language *** Turkish alphabet ** Turkish people, a Turkic ethnic group and nation *** Turkish citizen, a citizen of Turkey *** Turkish communities and mi ...
, Quechua and the
romanization of Japanese The romanization of Japanese is the use of Latin script to write the Japanese language. This method of writing is sometimes referred to in Japanese as . Japanese is normally written in a combination of logographic characters borrowed from Ch ...
, ⟨y⟩ is always a palatal consonant, denoting , as in English. In Malagasy, the letter represents the final variation of . In
Turkmen Turkmen, Türkmen, Turkoman, or Turkman may refer to: Peoples Historical ethnonym * Turkoman (ethnonym), ethnonym used for the Oghuz Turks during the Middle Ages Ethnic groups * Turkmen in Anatolia and the Levant (Seljuk and Ottoman-Turkish desc ...
, represents . In Washo, lower-case represents a typical wye sound, while upper-case represents a voiceless wye sound, a bit like the consonant in English ''hue''.


Other systems

In the
International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic transcription, phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standa ...
, corresponds to the close front rounded vowel, and the related character corresponds to the
near-close near-front rounded vowel The near-close front rounded vowel, or near-high front rounded vowel, is a type of vowel sound, used in some spoken languages. The symbol in the International Phonetic Alphabet that represents this sound is , and the equivalent X-SAMPA symbol ...
. The
SI prefix The International System of Units, known by the international abbreviation SI in all languages and sometimes pleonastically as the SI system, is the modern form of the metric system and the world's most widely used system of measurement. E ...
for 1024 is
yotta A metric prefix is a unit prefix that precedes a basic unit of measure to indicate a multiple or submultiple of the unit. All metric prefixes used today are decadic. Each prefix has a unique symbol that is prepended to any unit symbol. The pre ...
, abbreviated by the letter Y.


Related characters


Descendants and related characters in the Latin alphabet

*Y with
diacritic A diacritic (also diacritical mark, diacritical point, diacritical sign, or accent) is a glyph added to a letter or to a basic glyph. The term derives from the Ancient Greek (, "distinguishing"), from (, "to distinguish"). The word ''diacriti ...
s: Ý ý Ỳ ỳ Ŷ ŷ Ÿ ÿ Ỹ ỹ Ẏ ẏ Ỵ ỵ
A ring diacritic may appear above or below letters. It may be combined with some letters of the extended Latin alphabets in various contexts. Rings Distinct letter The character Å (å) is derived from an A with a ring. It is a distinct let ...
Ỷ ỷ Ȳ ȳ Ɏ ɏ Ƴ ƴ * and are used in the
International Phonetic Alphabet The International Phonetic Alphabet (IPA) is an alphabetic system of phonetic transcription, phonetic notation based primarily on the Latin script. It was devised by the International Phonetic Association in the late 19th century as a standa ...
(IPA) * IPA superscript letters: 𐞠 𐞲 𐞡 * 𝼆 : Small letter turned y with belt is an extension to IPA for disordered speech (extIPA) * is used in the
Teuthonista Teuthonista is a phonetic transcription system used predominantly for the transcription of (High) German dialects. It is very similar to other Central European transcription systems from the early 20th century. The base characters are mostly bas ...
phonetic transcription system * ʸ is used for phonetic transcription *Ỿ ỿ : Y with loop is used by some Welsh medievalists to indicate the schwa sound of


Ancestors and siblings in other alphabets

*𐤅:
Semitic Semitic most commonly refers to the Semitic languages, a name used since the 1770s to refer to the language family currently present in West Asia, North and East Africa, and Malta. Semitic may also refer to: Religions * Abrahamic religions ** ...
letter
Waw Waw or WAW may refer to: * Waw (letter), a letter in many Semitic abjads * Waw, the velomobile * Another spelling for the town Wau, South Sudan * Waw Township, Burma *Warsaw Chopin Airport, an international airport serving Warsaw, Poland (IATA ai ...
, from which the following symbols originally derive **Υ υ : Greek letter Upsilon, from which Y derives *** :
Coptic Coptic may refer to: Afro-Asia * Copts, an ethnoreligious group mainly in the area of modern Egypt but also in Sudan and Libya * Coptic language, a Northern Afro-Asiatic language spoken in Egypt until at least the 17th century * Coptic alphabet ...
letter epsilon/he (not to be confused with the unrelated Greek letter Ε ε called
epsilon Epsilon (, ; uppercase , lowercase or lunate ; el, έψιλον) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel or . In the system of Greek numerals it also has the value five. It was der ...
) ***𐌖 : Old Italic U/V, which is the ancestor of modern Latin V and U *** :
Gothic Gothic or Gothics may refer to: People and languages *Goths or Gothic people, the ethnonym of a group of East Germanic tribes **Gothic language, an extinct East Germanic language spoken by the Goths **Crimean Gothic, the Gothic language spoken b ...
letter /, which is transliterated as w ***У у :
Cyrillic , bg, кирилица , mk, кирилица , russian: кириллица , sr, ћирилица, uk, кирилиця , fam1 = Egyptian hieroglyphs , fam2 = Proto-Sinaitic , fam3 = Phoenician , fam4 = G ...
letter U, which derives from Greek upsilon via the digraph omicron-upsilon used to represent the sound /u/ ***Ѵ ѵ :
Cyrillic , bg, кирилица , mk, кирилица , russian: кириллица , sr, ћирилица, uk, кирилиця , fam1 = Egyptian hieroglyphs , fam2 = Proto-Sinaitic , fam3 = Phoenician , fam4 = G ...
letter izhitsa, which derives from Greek upsilon and represents the sounds /i/ or /v/. This letter is archaic in the modern writing systems of the living Slavic languages, but it is still used in the writing system of the Slavic liturgical language
Church Slavonic Church Slavonic (, , literally "Church-Slavonic language"), also known as Church Slavic, New Church Slavonic or New Church Slavic, is the conservative Slavic liturgical language used by the Eastern Orthodox Church in Belarus, Bosnia and Herzeg ...
. ***Ү ү : Cyrillic letter Ue (or ''straight U'') ***Ұ ұ : Kazakh Short U


Derived signs, symbols and abbreviations

* ¥ : Yen sign * ⓨ : In Japan, ⓨ is a symbol used for
resale price maintenance Resale price maintenance (RPM) or, occasionally, retail price maintenance is the practice whereby a manufacturer and its distributors agree that the distributors will sell the manufacturer's product at certain prices (resale price maintenance), a ...
.


Computing codes

On the standard US/UK keyboard Y is the sixth letter of the top row; On the QWERTZ keyboard used in Central Europe it is replaced there by Z, and is itself positioned at the bottom left.


Other representations


Notes


References


External links

* * * {{Latin alphabet, Y} ISO basic Latin letters Vowel letters